How to Auto Power Off Old Stereo When AUX Input Music Stops

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#1 21667173 19 Mar 2013 10:48

jassim Marhoon jassim Marhoon

Anonymous

Post #1
21667173 19 Mar 2013 10:48

hi i have an old stereo and i want to turn it off when i stop music from AUX input .
Can I ask for a guide about a circuit like that on the amplifier and the remote wire?

Thanks!
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#2 21667174 20 Mar 2013 16:32

Mark Harrington Mark Harrington

Anonymous

Post #2
21667174 20 Mar 2013 16:32

You want a vox switch (Voice activated sound switch )

See link below and then modify for line level If you add logic gates then you can control the length of time or flip from one state to another depending on what you want to finally achieve

http://wiringdiagramcircuit.com/voice-operate...ng-lm346-for-public-address-amplifier-system/
#3 21667175 26 Mar 2013 07:10

mokhtari Lyece mokhtari Lyece

Anonymous

Post #3
21667175 26 Mar 2013 07:10

hello iam electroniciene man i found the circuit to converter 24VDC to 12VDC. THKS by.
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How to Auto Power Off Old Stereo When AUX Input Music Stops—Circuit Guide Needed

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